bool DisplayResOSX::SwitchToVideoMode(int width, int height, double refreshrate)
{
CGDirectDisplayID d = GetOSXDisplay(MythDisplay::GetWindowID());
CFDictionaryRef dispMode = NULL;
boolean_t match = 0;
// find mode that matches the desired size
if (refreshrate)
dispMode = CGDisplayBestModeForParametersAndRefreshRate(
d, 32, width, height, (CGRefreshRate)((short)refreshrate), &match);
if (!match)
dispMode =
CGDisplayBestModeForParameters(d, 32, width, height, &match);
if (!match)
dispMode =
CGDisplayBestModeForParameters(d, 16, width, height, &match);
if (!match)
return false;
// switch mode and return success
CGDisplayCapture(d);
CGDisplayConfigRef cfg;
CGBeginDisplayConfiguration(&cfg);
CGConfigureDisplayFadeEffect(cfg, 0.3f, 0.5f, 0, 0, 0);
CGConfigureDisplayMode(cfg, d, dispMode);
CGError err = CGCompleteDisplayConfiguration(cfg, kCGConfigureForAppOnly);
CGDisplayRelease(d);
return (err == kCGErrorSuccess);
}
static void *gfx_ctx_cgl_init(void *video_driver)
{
CGError err;
gfx_ctx_cgl_data_t *cgl = (gfx_ctx_cgl_data_t*)calloc(1, sizeof(gfx_ctx_cgl_data_t));
if (!cgl)
goto error;
cgl->displayID = CGMainDisplayID();
err = CGDisplayCapture(cgl->displayID);
if (err != kCGErrorSuccess)
goto error;
cgl->glCtx = gfx_ctx_cgl_init_create();
if (!cgl->glCtx)
goto error;
attach_gl_context_to_window(cgl->glCtx,
CGShieldingWindowID(cgl->displayID), &cgl->width, &cgl->height);
printf("size:%dx%d\n", cgl->width, cgl->height);
CGLSetCurrentContext(cgl->glCtx);
return cgl;
error:
gfx_ctx_cgl_destroy(cgl);
return NULL;
}
static void setup_screen(void) {
CGDirectDisplayID targetDisplay = kCGDirectMainDisplay;
CGDisplayCapture(targetDisplay); /* crucial for being permitted to write on it */
screen.base = (uint32_t *) CGDisplayBaseAddress(targetDisplay);
screen.stride = CGDisplayBytesPerRow(targetDisplay) / sizeof(uint32_t);
screen.width = CGDisplayPixelsWide(targetDisplay);
screen.height = CGDisplayPixelsHigh(targetDisplay);
}
static int RLXAPI SetDisplayMode(GXDISPLAYMODEHANDLE mode)
{
if ((g_pRLX->Video.Config & RLXVIDEO_Windowed)==0)
{
if (!g_cgOldDisplayModeRestore)
{
CGDisplayCapture(g_cgDisplayID);
}
CGDisplaySwitchToMode (g_cgDisplayID, DictRefToModeHandle(mode));
g_cgOldDisplayModeRestore = 1;
}
return 0;
}
//-------------------------------------------------------------------------------------------------//
void OSXWindow::createCGLFullscreen(unsigned int width, unsigned int height, unsigned int depth, unsigned int fsaa, CGLContextObj sharedContext)
{
// Find the best match to what was requested
boolean_t exactMatch = 0;
int reqWidth, reqHeight, reqDepth;
#if defined(MAC_OS_X_VERSION_10_6) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
// Get a copy of the current display mode
CGDisplayModeRef displayMode = CGDisplayCopyDisplayMode(kCGDirectMainDisplay);
// Loop through all display modes to determine the closest match.
// CGDisplayBestModeForParameters is deprecated on 10.6 so we will emulate it's behavior
// Try to find a mode with the requested depth and equal or greater dimensions first.
// If no match is found, try to find a mode with greater depth and same or greater dimensions.
// If still no match is found, just use the current mode.
CFArrayRef allModes = CGDisplayCopyAllDisplayModes(kCGDirectMainDisplay, NULL);
for(int i = 0; i < CFArrayGetCount(allModes); i++)
{
CGDisplayModeRef mode = (CGDisplayModeRef)CFArrayGetValueAtIndex(allModes, i);
String modeString = StringConverter::toString(CGDisplayModeGetWidth(mode)) + String(" x ") +
StringConverter::toString(CGDisplayModeGetHeight(mode)) + String(" @ ") +
StringConverter::toString(bitDepthFromDisplayMode(mode)) + "bpp.";
LogManager::getSingleton().logMessage(modeString);
if(bitDepthFromDisplayMode(mode) != depth)
continue;
if((CGDisplayModeGetWidth(mode) >= width) && (CGDisplayModeGetHeight(mode) >= height))
{
displayMode = mode;
exactMatch = 1;
break;
}
}
// No depth match was found
if(!exactMatch)
{
for(int i = 0; i < CFArrayGetCount(allModes); i++)
{
CGDisplayModeRef mode = (CGDisplayModeRef)CFArrayGetValueAtIndex(allModes, i);
if(bitDepthFromDisplayMode(mode) >= depth)
continue;
if((CGDisplayModeGetWidth(mode) >= width) && (CGDisplayModeGetHeight(mode) >= height))
{
displayMode = mode;
exactMatch = 1;
break;
}
}
}
reqWidth = CGDisplayModeGetWidth(displayMode);
reqHeight = CGDisplayModeGetHeight(displayMode);
reqDepth = bitDepthFromDisplayMode(displayMode);
#else
CFDictionaryRef displayMode = CGDisplayBestModeForParameters(kCGDirectMainDisplay, depth, width, height, &exactMatch);
const void *value = NULL;
value = CFDictionaryGetValue(displayMode, kCGDisplayWidth);
CFNumberGetValue((CFNumberRef)value, kCFNumberSInt32Type, &reqWidth);
value = CFDictionaryGetValue(displayMode, kCGDisplayHeight);
CFNumberGetValue((CFNumberRef)value, kCFNumberSInt32Type, &reqHeight);
value = CFDictionaryGetValue(displayMode, kCGDisplayBitsPerPixel);
CFNumberGetValue((CFNumberRef)value, kCFNumberSInt32Type, &reqDepth);
#endif
if(!exactMatch)
{
// TODO: Report the size difference
// That mode is not available, using the closest match
String request = StringConverter::toString(width) + String(" x ") + StringConverter::toString(height) + String(" @ ") +
StringConverter::toString(depth) + "bpp. ";
String received = StringConverter::toString(reqWidth) + String(" x ") +
StringConverter::toString(reqHeight) + String(" @ ") +
StringConverter::toString(reqDepth) + "bpp. ";
LogManager::getSingleton().logMessage(String("RenderSystem Warning: You requested a fullscreen mode of ") + request +
String(" This mode is not available and you will receive the closest match. The best display mode for the parameters requested is: ")
+ received);
}
// Do the fancy display fading
CGDisplayFadeReservationToken reservationToken;
CGAcquireDisplayFadeReservation(kCGMaxDisplayReservationInterval,
&reservationToken);
CGDisplayFade(reservationToken,
0.5,
kCGDisplayBlendNormal,
kCGDisplayBlendSolidColor,
0.0, 0.0, 0.0,
true);
// Grab the main display and save it for later.
// You could render to any display, but picking what display
// to render to could be interesting.
CGDisplayCapture(kCGDirectMainDisplay);
// Switch to the correct resolution
#if defined(MAC_OS_X_VERSION_10_6) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
CGDisplaySetDisplayMode(kCGDirectMainDisplay, displayMode, NULL);
#else
CGDisplaySwitchToMode(kCGDirectMainDisplay, displayMode);
#endif
// Get a pixel format that best matches what we are looking for
CGLPixelFormatAttribute attribs[] = {
kCGLPFADoubleBuffer,
kCGLPFAAlphaSize, (CGLPixelFormatAttribute)8,
kCGLPFADepthSize, (CGLPixelFormatAttribute)reqDepth,
kCGLPFAStencilSize, (CGLPixelFormatAttribute)8,
kCGLPFASampleBuffers, (CGLPixelFormatAttribute)0,
kCGLPFASamples, (CGLPixelFormatAttribute)0,
kCGLPFAFullScreen,
kCGLPFASingleRenderer,
kCGLPFAAccelerated,
kCGLPFADisplayMask, (CGLPixelFormatAttribute)CGDisplayIDToOpenGLDisplayMask(kCGDirectMainDisplay),
(CGLPixelFormatAttribute)0
};
// Set up FSAA if it was requested
if(fsaa > 1)
{
// turn on kCGLPFASampleBuffers
attribs[8] = (CGLPixelFormatAttribute)1;
// set the samples for kCGLPFASamples
attribs[10] = (CGLPixelFormatAttribute)fsaa;
}
CGLError err;
CGLPixelFormatObj pixelFormatObj;
#if (MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_4)
GLint numPixelFormats = 0;
err = CGLChoosePixelFormat(attribs, &pixelFormatObj, &numPixelFormats);
#else
long numPixelFormats = 0;
err = CGLChoosePixelFormat(attribs, &pixelFormatObj, &numPixelFormats);
#endif
if(err != 0)
{
CGReleaseAllDisplays();
OGRE_EXCEPT(Exception::ERR_RENDERINGAPI_ERROR, String("CGL Error: " + String(CGLErrorString(err))), "OSXWindow::createCGLFullscreen");
}
// Create the CGLcontext from our pixel format, share it with the sharedContext passed in
err = CGLCreateContext(pixelFormatObj, sharedContext, &mCGLContext);
if(err != 0)
{
CGReleaseAllDisplays();
OGRE_EXCEPT(Exception::ERR_RENDERINGAPI_ERROR, String("CGL Error: " + String(CGLErrorString(err))), "OSXWindow::createCGLFullscreen");
}
// Once we have the context we can destroy the pixel format
// In order to share contexts you must keep a pointer to the context object around
// Our context class will now manage the life of the pixelFormatObj
//CGLDestroyPixelFormat(pixelFormatObj);
// Set the context to full screen
#if defined(MAC_OS_X_VERSION_10_6) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
CGLSetFullScreenOnDisplay(mCGLContext, CGDisplayIDToOpenGLDisplayMask(kCGDirectMainDisplay));
#else
CGLSetFullScreen(mCGLContext);
#endif
// Set the context as current
CGLSetCurrentContext(mCGLContext);
// This synchronizes CGL with the vertical retrace
// Apple docs suggest that OpenGL blocks rendering calls when waiting for
// a vertical retrace anyhow.
#if (MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_4)
GLint swapInterval = 1;
CGLSetParameter(mCGLContext, kCGLCPSwapInterval, &swapInterval);
#else
long swapInterval = 1;
CGLSetParameter(mCGLContext, kCGLCPSwapInterval, &swapInterval);
#endif
// Give a copy of our context to the rendersystem
mContext = new OSXCGLContext(mCGLContext, pixelFormatObj);
// Let everyone know we are fullscreen now
mIsFullScreen = true;
// Set some other variables. Just in case we got a different value from CGDisplayBestModeForParameters than we requested
mWidth = reqWidth;
mHeight = reqHeight;
mColourDepth = reqDepth;
CGDisplayFade(reservationToken,
2.0,
kCGDisplayBlendSolidColor,
kCGDisplayBlendNormal,
0.0, 0.0, 0.0,
false);
CGReleaseDisplayFadeReservation(reservationToken);
}
int doMain (int argc, char **argv)
{
int dummy;
// OSG init
OSG::osgInit(argc, argv);
// create the graph
// beacon for camera and light
OSG::NodeUnrecPtr b1n = OSG::Node::create();
OSG::GroupUnrecPtr b1 = OSG::Group::create();
b1n->setCore( b1 );
// transformation
OSG::NodeUnrecPtr t1n = OSG::Node::create();
OSG::TransformUnrecPtr t1 = OSG::Transform::create();
t1n->setCore( t1 );
t1n->addChild( b1n );
cam_trans = t1;
// light
OSG::NodeUnrecPtr dlight = OSG::Node::create();
OSG::DirectionalLightUnrecPtr dl = OSG::DirectionalLight::create();
dlight->setCore( dl );
dl->setAmbient( .3, .3, .3, 1 );
dl->setDiffuse( 1, 1, 1, 1 );
dl->setDirection(0,0,1);
dl->setBeacon( b1n);
// root
root = OSG::Node::create();
OSG::GroupUnrecPtr gr1 = OSG::Group::create();
root->setCore( gr1 );
root->addChild( t1n );
root->addChild( dlight );
// Load the file
OSG::NodeUnrecPtr file = NULL;
if ( argc > 1 )
file = OSG::SceneFileHandler::the()->read(argv[1]);
if ( file == NULL )
{
std::cerr << "Couldn't load file, ignoring" << std::endl;
file = OSG::makeTorus( .5, 2, 16, 16 );
}
OSG::Thread::getCurrentChangeList()->commitChanges();
file->updateVolume();
OSG::Vec3f min,max;
file->getVolume().getBounds( min, max );
std::cout << "Volume: from " << min << " to " << max << std::endl;
dlight->addChild( file );
std::cerr << "Tree: " << std::endl;
//root->dump();
// Camera
cam = OSG::PerspectiveCamera::create();
cam->setBeacon( b1n );
cam->setFov( OSG::osgDegree2Rad( 90 ) );
cam->setNear( 0.1 );
cam->setFar( 100000 );
// Background
OSG::SolidBackgroundUnrecPtr bkgnd = OSG::SolidBackground::create();
bkgnd->setColor(OSG::Color3f(0,0,1));
// Viewport
vp = OSG::Viewport::create();
vp->setCamera( cam );
vp->setBackground( bkgnd );
vp->setRoot( root );
vp->setSize( 0,0, 1,1 );
// Action
ract = OSG::RenderAction::create();
// tball
OSG::Vec3f pos;
pos.setValues(min[0] + ((max[0] - min[0]) * 0.5),
min[1] + ((max[1] - min[1]) * 0.5),
max[2] + ( max[2] - min[2] ) * 1.5 );
float scale = (max[2] - min[2] + max[1] - min[1] + max[0] - min[0]) / 6;
OSG::Pnt3f tCenter(min[0] + (max[0] - min[0]) / 2,
min[1] + (max[1] - min[1]) / 2,
min[2] + (max[2] - min[2]) / 2);
tball.setMode( OSG::Trackball::OSGObject );
tball.setStartPosition( pos, true );
tball.setSum( true );
tball.setTranslationMode( OSG::Trackball::OSGFree );
tball.setTranslationScale(scale);
tball.setRotationCenter(tCenter);
// CoreGL init
// Install event handler
EventHandlerUPP eventHandlerUPP = NewEventHandlerUPP(eventHandler);
EventTypeSpec eventList[] =
{
{ kEventClassTextInput, kEventTextInputUnicodeForKeyEvent },
{ kEventClassMouse, kEventMouseDown },
{ kEventClassMouse, kEventMouseUp },
{ kEventClassMouse, kEventMouseDragged }
};
InstallApplicationEventHandler(eventHandlerUPP, GetEventTypeCount(eventList), eventList, 0, 0);
CGDisplayCapture(kCGDirectMainDisplay);
CGLPixelFormatAttribute attribs[] =
{
kCGLPFADoubleBuffer,
kCGLPFAFullScreen,
kCGLPFADepthSize,
(CGLPixelFormatAttribute)16,
kCGLPFADisplayMask,
(CGLPixelFormatAttribute)CGDisplayIDToOpenGLDisplayMask(kCGDirectMainDisplay),
(CGLPixelFormatAttribute)0
};
CGLPixelFormatObj pixelFormatObj;
GLint numPixelFormats;
CGLChoosePixelFormat(attribs, &pixelFormatObj, &numPixelFormats);
CGLContextObj contextObj;
CGLCreateContext(pixelFormatObj, 0, &contextObj);
CGLDestroyPixelFormat(pixelFormatObj);
CGLSetCurrentContext(contextObj);
CGLSetFullScreen(contextObj);
// Create OpenSG window
win = OSG::CoreGLWindow::create();
win->addPort( vp );
win->setContext ( contextObj );
win->init();
win->resize( CGDisplayPixelsWide(kCGDirectMainDisplay), CGDisplayPixelsHigh(kCGDirectMainDisplay) );
win->activate();
// do some OpenGL init. Will move into State Chunks later.
glEnable( GL_DEPTH_TEST );
glEnable( GL_LIGHTING );
glEnable( GL_LIGHT0 );
redraw();
// Main loop ( event dispatching )
RunApplicationEventLoop();
// Cleanup
CGLSetCurrentContext(0);
CGLClearDrawable(contextObj);
CGLDestroyContext(contextObj);
CGReleaseAllDisplays();
DisposeEventHandlerUPP(eventHandlerUPP);
ract = NULL;
win = NULL;
root = NULL;
file = NULL;
vp = NULL;
cam_trans = NULL;
cam = NULL;
return 0;
}
qboolean VID_InitMode(viddef_mode_t *mode)
{
const EventTypeSpec winEvents[] =
{
{ kEventClassWindow, kEventWindowClosed },
{ kEventClassWindow, kEventWindowCollapsing },
{ kEventClassWindow, kEventWindowExpanded },
};
OSStatus carbonError;
Rect windowBounds;
CFStringRef windowTitle;
AGLPixelFormat pixelFormat;
GLint attributes [32];
GLenum error;
if (!GL_OpenLibrary())
{
Con_Printf("Unable to load GL driver\n");
return false;
}
if ((qaglChoosePixelFormat = (AGLPixelFormat (*) (const AGLDevice *gdevs, GLint ndev, const GLint *attribList))GL_GetProcAddress("aglChoosePixelFormat")) == NULL
|| (qaglCreateContext = (AGLContext (*) (AGLPixelFormat pix, AGLContext share))GL_GetProcAddress("aglCreateContext")) == NULL
|| (qaglDestroyContext = (GLboolean (*) (AGLContext ctx))GL_GetProcAddress("aglDestroyContext")) == NULL
|| (qaglDestroyPixelFormat = (void (*) (AGLPixelFormat pix))GL_GetProcAddress("aglDestroyPixelFormat")) == NULL
|| (qaglErrorString = (const GLubyte* (*) (GLenum code))GL_GetProcAddress("aglErrorString")) == NULL
|| (qaglGetError = (GLenum (*) (void))GL_GetProcAddress("aglGetError")) == NULL
|| (qaglSetCurrentContext = (GLboolean (*) (AGLContext ctx))GL_GetProcAddress("aglSetCurrentContext")) == NULL
|| (qaglSetDrawable = (GLboolean (*) (AGLContext ctx, AGLDrawable draw))GL_GetProcAddress("aglSetDrawable")) == NULL
|| (qaglSetFullScreen = (GLboolean (*) (AGLContext ctx, GLsizei width, GLsizei height, GLsizei freq, GLint device))GL_GetProcAddress("aglSetFullScreen")) == NULL
|| (qaglSetInteger = (GLboolean (*) (AGLContext ctx, GLenum pname, const GLint *params))GL_GetProcAddress("aglSetInteger")) == NULL
|| (qaglSwapBuffers = (void (*) (AGLContext ctx))GL_GetProcAddress("aglSwapBuffers")) == NULL
)
{
Con_Printf("AGL functions not found\n");
ReleaseWindow(window);
return false;
}
qCGLEnable = (CGLError (*) (CGLContextObj ctx, CGLContextEnable pname)) CGL_GetProcAddress("CGLEnable");
qCGLDisable = (CGLError (*) (CGLContextObj ctx, CGLContextEnable pname)) CGL_GetProcAddress("CGLDisable");
qCGLGetCurrentContext = (CGLContextObj (*) (void)) CGL_GetProcAddress("CGLGetCurrentContext");
if(!qCGLEnable || !qCGLDisable || !qCGLGetCurrentContext)
Con_Printf("CGL functions not found; disabling multithreaded OpenGL\n");
// Ignore the events from the previous window
AsyncEvent_Quitting = false;
AsyncEvent_Collapsed = false;
// Create the window, a bit towards the center of the screen
windowBounds.left = 100;
windowBounds.top = 100;
windowBounds.right = mode->width + 100;
windowBounds.bottom = mode->height + 100;
carbonError = CreateNewWindow(kDocumentWindowClass, kWindowStandardFloatingAttributes | kWindowStandardHandlerAttribute, &windowBounds, &window);
if (carbonError != noErr || window == NULL)
{
Con_Printf("Unable to create window (error %u)\n", (unsigned)carbonError);
return false;
}
// Set the window title
windowTitle = CFSTR("DarkPlaces AGL");
SetWindowTitleWithCFString(window, windowTitle);
// Install the callback function for the window events we can't get
// through ReceiveNextEvent (i.e. close, collapse, and expand)
InstallWindowEventHandler (window, NewEventHandlerUPP (MainWindowEventHandler),
GetEventTypeCount(winEvents), winEvents, window, NULL);
// Create the desired attribute list
VID_BuildAGLAttrib(attributes, mode->bitsperpixel == 32, mode->fullscreen, mode->stereobuffer, mode->samples);
if (!mode->fullscreen)
{
// Output to Window
pixelFormat = qaglChoosePixelFormat(NULL, 0, attributes);
error = qaglGetError();
if (error != AGL_NO_ERROR)
{
Con_Printf("qaglChoosePixelFormat FAILED: %s\n",
(char *)qaglErrorString(error));
ReleaseWindow(window);
return false;
}
}
else // Output is fullScreen
{
CGDirectDisplayID mainDisplay;
CFDictionaryRef refDisplayMode;
GDHandle gdhDisplay;
// Get the mainDisplay and set resolution to current
mainDisplay = CGMainDisplayID();
CGDisplayCapture(mainDisplay);
// TOCHECK: not sure whether or not it's necessary to change the resolution
// "by hand", or if aglSetFullscreen does the job anyway
refDisplayMode = CGDisplayBestModeForParametersAndRefreshRateWithProperty(mainDisplay, mode->bitsperpixel, mode->width, mode->height, mode->refreshrate, kCGDisplayModeIsSafeForHardware, NULL);
CGDisplaySwitchToMode(mainDisplay, refDisplayMode);
DMGetGDeviceByDisplayID((DisplayIDType)mainDisplay, &gdhDisplay, false);
// Set pixel format with built attribs
// Note: specifying a device is *required* for AGL_FullScreen
pixelFormat = qaglChoosePixelFormat(&gdhDisplay, 1, attributes);
error = qaglGetError();
if (error != AGL_NO_ERROR)
{
Con_Printf("qaglChoosePixelFormat FAILED: %s\n",
(char *)qaglErrorString(error));
ReleaseWindow(window);
return false;
}
}
// Create a context using the pform
context = qaglCreateContext(pixelFormat, NULL);
error = qaglGetError();
if (error != AGL_NO_ERROR)
{
Con_Printf("qaglCreateContext FAILED: %s\n",
(char *)qaglErrorString(error));
}
// Make the context the current one ('enable' it)
qaglSetCurrentContext(context);
error = qaglGetError();
if (error != AGL_NO_ERROR)
{
Con_Printf("qaglSetCurrentContext FAILED: %s\n",
(char *)qaglErrorString(error));
ReleaseWindow(window);
return false;
}
// Discard pform
qaglDestroyPixelFormat(pixelFormat);
// Attempt fullscreen if requested
if (mode->fullscreen)
{
qaglSetFullScreen (context, mode->width, mode->height, mode->refreshrate, 0);
error = qaglGetError();
if (error != AGL_NO_ERROR)
{
Con_Printf("qaglSetFullScreen FAILED: %s\n",
(char *)qaglErrorString(error));
return false;
}
}
else
{
// Set Window as Drawable
qaglSetDrawable(context, GetWindowPort(window));
error = qaglGetError();
if (error != AGL_NO_ERROR)
{
Con_Printf("qaglSetDrawable FAILED: %s\n",
(char *)qaglErrorString(error));
ReleaseWindow(window);
return false;
}
}
if ((qglGetString = (const GLubyte* (GLAPIENTRY *)(GLenum name))GL_GetProcAddress("glGetString")) == NULL)
Sys_Error("glGetString not found in %s", gl_driver);
gl_platformextensions = "";
gl_platform = "AGL";
multithreadedgl = false;
vid_isfullscreen = mode->fullscreen;
vid_usingmouse = false;
vid_usinghidecursor = false;
vid_hidden = false;
vid_activewindow = true;
sound_active = true;
GL_Init();
SelectWindow(window);
ShowWindow(window);
return true;
}
static AGLContext createContext(WindowRef window) {
AGLPixelFormat pf;
AGLContext ctx;
GDHandle gdh;
CFDictionaryRef refMode;
GLenum error;
CGDirectDisplayID mainDisplay = CGMainDisplayID();
GLint attrs[] = {
AGL_RGBA,
AGL_DOUBLEBUFFER,
AGL_RED_SIZE, 4,
AGL_GREEN_SIZE, 4,
AGL_BLUE_SIZE, 4,
AGL_DEPTH_SIZE, 16,
AGL_NONE
};
GLint fullscreen_attrs[] = {
AGL_FULLSCREEN,
AGL_RGBA,
AGL_DOUBLEBUFFER,
AGL_RED_SIZE, 4,
AGL_GREEN_SIZE, 4,
AGL_BLUE_SIZE, 4,
AGL_DEPTH_SIZE, 16,
AGL_NONE
};
g_Window.double_buffered = true;
if (!g_Window.fs) {
pf = aglChoosePixelFormat(NULL, 0, attrs);
} else {
CGDisplayCapture(mainDisplay);
refMode = CGDisplayBestModeForParameters(mainDisplay, 32,
g_Window.width, g_Window.height, NULL);
CGDisplaySwitchToMode(mainDisplay, refMode);
DMGetGDeviceByDisplayID(mainDisplay, &gdh, false);
pf = aglChoosePixelFormat(&gdh, 1, fullscreen_attrs);
error = aglGetError();
if (error != AGL_NO_ERROR) {
printf("%s\n", aglErrorString(error));
return 0;
}
}
if (!pf) {
printf("Error choosing pixel format\n");
return 0;
}
ctx = aglCreateContext(pf, 0);
if (!ctx) {
printf("%s\n", aglErrorString(aglGetError()));
return 0;
}
aglDestroyPixelFormat(pf);
aglSetCurrentContext(ctx);
if (g_Window.fs) {
aglSetFullScreen(ctx, g_Window.width, g_Window.height, 0, 0);
} else {
aglSetWindowRef(ctx, window);
}
return ctx;
}
